Chemistry Questions
Q. Number of valence electrons of Silicon?
View SolutionQ. If an element has atomic number 2 and mass number 4, what will be the number of neutrons present in the element?
View SolutionQ. If there are 32 electrons in an atom and number of neutrons present is 30, what will the number of protons present?
View SolutionQ. Isotope having one electron?
View SolutionQ. Carbon dating was invented by?
View SolutionQ. An atom has 18 protons and 12 neutrons. What will be the number of electrons present in the atom?
View SolutionQ. The term “Molecule” is coined by?
View SolutionQ. The attractive force between different molecules?
View SolutionQ. What is the characteristic of a fluid to exert a force between it so as to reduce the relative motion between the fluid membranes?
View SolutionQ. The blood pressure of a perfectly healthy man is:
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